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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The siphon will work satisfactorily, if the minimum pressure in the pipe is __________ vapour pressure of liquid.

None of these
Less than
More than
Equal to

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Hydraulics and Fluid Mechanics in ME
A nozzle is generally made of

Convergent-divergent shape
Convergent shape
Divergent shape
Cylindrical shape

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Hydraulics and Fluid Mechanics in ME
The critical depth meter is used to measure

Hydraulic jump
Depth of flow in an open channel
Velocity of flow in an open channel
Depth of channel

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Hydraulics and Fluid Mechanics in ME
Delivery head of a centrifugal pump is

Inversely proportional to N²
Directly proportional to N
Directly proportional to N²
Inversely proportional to N

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Hydraulics and Fluid Mechanics in ME
When a body is immersed wholly or partially in a liquid, it is lifted up by a force equal to the weight of liquid displaced by the body. This statement is called

Archimedes’s principle
Pascal’s law
Principle of flotation
Bernoulli’s theorem

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Hydraulics and Fluid Mechanics in ME
Braking jet in an impulse turbine is used

To bring the runner to rest in a short time
To break the jet of water
None of these
To change the direction of runner

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